class_docstr: A node in an OverlayGraph. Corresponds to a TensorFlow Tensor.
    
code: def extended_consumers(self):
      return self.overlay_graph.node_to_extended_consumers[self]
  
imports: from collections import defaultdict
  import numpy
  import tensorflow
label_desc: Use image node_id 8 for calling the OverlayNode obj's underlying member method code with example usage: obj.extended_consumers() and returns: self